281355984

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 320

約数和(自身を含む): 1054932480

約数和(自身を除く): 773576496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 27, 28, 34, 36, 39, 42, 48, 51, 52, 54, 56, 63, 68, 72, 78, 84, 91, 102, 104, 108, 112, 117, 119, 126, 136, 144, 153, 156, 168, 182, 189, 204, 208, 216, 221, 234, 238, 252, 272, 273, 306, 312, 336, 351, 357, 364, 378, 408, 421, 432, 442, 459, 468, 476, 504, 546, 612, 624, 663, 702, 714, 728, 756, 816, 819, 842, 884, 918, 936, 952, 1008, 1071, 1092, 1224, 1263, 1326, 1404, 1428, 1456, 1512, 1547, 1638, 1684, 1768, 1836, 1872, 1904, 1989, 2142, 2184, 2448, 2457, 2526, 2652, 2808, 2856, 2947, 3024, 3094, 3213, 3276, 3368, 3536, 3672, 3789, 3978, 4284, 4368, 4641, 4914, 5052, 5304, 5473, 5616, 5712, 5894, 5967, 6188, 6426, 6552, 6736, 7157, 7344, 7578, 7956, 8568, 8841, 9282, 9828, 10104, 10608, 10946, 11367, 11788, 11934, 12376, 12852, 13104, 13923, 14314, 15156, 15912, 16419, 17136, 17682, 18564, 19656, 20208, 21471, 21892, 22734, 23576, 23868, 24752, 25704, 26523, 27846, 28628, 30312, 31824, 32838, 35364, 37128, 38311, 39312, 41769, 42942, 43784, 45468, 47152, 47736, 49257, 50099, 51408, 53046, 55692, 57256, 60624, 64413, 65676, 70728, 74256, 76622, 79569, 83538, 85884, 87568, 90936, 93041, 95472, 98514, 100198, 106092, 111384, 114512, 114933, 128826, 131352, 141456, 147771, 150297, 153244, 159138, 167076, 171768, 181872, 186082, 193239, 197028, 200396, 212184, 222768, 229866, 257652, 262704, 279123, 295542, 300594, 306488, 318276, 334152, 343536, 344799, 372164, 386478, 394056, 400792, 424368, 450891, 459732, 515304, 558246, 591084, 601188, 612976, 636552, 651287, 668304, 689598, 744328, 772956, 788112, 801584, 837369, 901782, 919464, 1030608, 1034397, 1116492, 1182168, 1202376, 1273104, 1302574, 1352673, 1379196, 1488656, 1545912, 1674738, 1803564, 1838928, 1953861, 2068794, 2232984, 2364336, 2404752, 2512107, 2605148, 2705346, 2758392, 3091824, 3349476, 3607128, 3907722, 4137588, 4465968, 5024214, 5210296, 5410692, 5516784, 5861583, 6698952, 7214256, 7815444, 8275176, 10048428, 10420592, 10821384, 11723166, 13397904, 15630888, 16550352, 17584749, 20096856, 21642768, 23446332, 31261776, 35169498, 40193712, 46892664, 70338996, 93785328, 140677992, 281355984]

約数ペア:

[(1, 281355984), (2, 140677992), (3, 93785328), (4, 70338996), (6, 46892664), (7, 40193712), (8, 35169498), (9, 31261776), (12, 23446332), (13, 21642768), (14, 20096856), (16, 17584749), (17, 16550352), (18, 15630888), (21, 13397904), (24, 11723166), (26, 10821384), (27, 10420592), (28, 10048428), (34, 8275176), (36, 7815444), (39, 7214256), (42, 6698952), (48, 5861583), (51, 5516784), (52, 5410692), (54, 5210296), (56, 5024214), (63, 4465968), (68, 4137588), (72, 3907722), (78, 3607128), (84, 3349476), (91, 3091824), (102, 2758392), (104, 2705346), (108, 2605148), (112, 2512107), (117, 2404752), (119, 2364336), (126, 2232984), (136, 2068794), (144, 1953861), (153, 1838928), (156, 1803564), (168, 1674738), (182, 1545912), (189, 1488656), (204, 1379196), (208, 1352673), (216, 1302574), (221, 1273104), (234, 1202376), (238, 1182168), (252, 1116492), (272, 1034397), (273, 1030608), (306, 919464), (312, 901782), (336, 837369), (351, 801584), (357, 788112), (364, 772956), (378, 744328), (408, 689598), (421, 668304), (432, 651287), (442, 636552), (459, 612976), (468, 601188), (476, 591084), (504, 558246), (546, 515304), (612, 459732), (624, 450891), (663, 424368), (702, 400792), (714, 394056), (728, 386478), (756, 372164), (816, 344799), (819, 343536), (842, 334152), (884, 318276), (918, 306488), (936, 300594), (952, 295542), (1008, 279123), (1071, 262704), (1092, 257652), (1224, 229866), (1263, 222768), (1326, 212184), (1404, 200396), (1428, 197028), (1456, 193239), (1512, 186082), (1547, 181872), (1638, 171768), (1684, 167076), (1768, 159138), (1836, 153244), (1872, 150297), (1904, 147771), (1989, 141456), (2142, 131352), (2184, 128826), (2448, 114933), (2457, 114512), (2526, 111384), (2652, 106092), (2808, 100198), (2856, 98514), (2947, 95472), (3024, 93041), (3094, 90936), (3213, 87568), (3276, 85884), (3368, 83538), (3536, 79569), (3672, 76622), (3789, 74256), (3978, 70728), (4284, 65676), (4368, 64413), (4641, 60624), (4914, 57256), (5052, 55692), (5304, 53046), (5473, 51408), (5616, 50099), (5712, 49257), (5894, 47736), (5967, 47152), (6188, 45468), (6426, 43784), (6552, 42942), (6736, 41769), (7157, 39312), (7344, 38311), (7578, 37128), (7956, 35364), (8568, 32838), (8841, 31824), (9282, 30312), (9828, 28628), (10104, 27846), (10608, 26523), (10946, 25704), (11367, 24752), (11788, 23868), (11934, 23576), (12376, 22734), (12852, 21892), (13104, 21471), (13923, 20208), (14314, 19656), (15156, 18564), (15912, 17682), (16419, 17136)]